Table 2:

Procedural specifics

Case	Treatment	Complications	Immediate RROC	RROC at FU (months)	mRS at FU (months)
1	WEB SLS 4 mm	Apposition thrombus, tirofiban, no neurologic deficit	I	I (6)	0 (6)
2	WEB SL 4 × 2 mm + Acclino stent 3.5 × 20 mm (staged)		II	I (3)	0 (20)
3	WEB SL 3.5 × 2 mm		I	I (6)	0 (6)
4	WEB SL 3 × 2 mm	Aneurysm rerupture during WEB deployment, intrasaccular stasis, no deficit	I	I (1)	1 (1)
5	WEB SL 5 × 3 mm	Transient hemianopsia partial posterior infarction, probably due to thromboembolism	II	I (7)	1 (7)
6	WEB SL 6 × 4 mm		III	II (1)	5 (1)
7	WEB DL 7 × 6 mm, 5 coils		II	I (17)	1 (17)
8	WEB SL 3 × 2 mm		III	I (8)	0 (8)
9	WEB SL 6 × 4 mm, 11 coils		III	I (10)	2 (10)
10	WEB SL 3 × 2 mm		III	I (5)	0 (5)
11	WEB SL 9 × 4 mm, LEO Baby^{^a} stent 4.5 × 25 mm	WEB protrusion into the parent artery, adjunctive stent implantation, no ischemic complications	III	II (6)	0 (6)
12	WEB SL 3.5 × 2 mm, coiling	WEB implantation failed due to WEB protrusion, subsequent coil embolization	II	I (21)	0 (21)
13	WEB SL 11 × 6 mm		III	I (1)	6 (1)
14	WEB SL 4 × 3 mm		III	I (1)	0 (1)
15	WEB SL 9 × 4 mm		III	II (1)	1 (1)
16	WEB SL 3.5 × 2 mm		III		0 (6)

Note:—SLS indicates single-layer sphere; SL, single-layer; FU, follow-up; DL, dual-layer; RROC, Raymond-Roy occlusion classification.
↵a Balt Extrusion.